US20110274416A1 - Steam generator - Google Patents
Steam generator Download PDFInfo
- Publication number
- US20110274416A1 US20110274416A1 US12/833,513 US83351310A US2011274416A1 US 20110274416 A1 US20110274416 A1 US 20110274416A1 US 83351310 A US83351310 A US 83351310A US 2011274416 A1 US2011274416 A1 US 2011274416A1
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- US
- United States
- Prior art keywords
- flow passage
- steam
- hole
- cover
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F22—STEAM GENERATION
- F22B—METHODS OF STEAM GENERATION; STEAM BOILERS
- F22B1/00—Methods of steam generation characterised by form of heating method
- F22B1/28—Methods of steam generation characterised by form of heating method in boilers heated electrically
- F22B1/282—Methods of steam generation characterised by form of heating method in boilers heated electrically with water or steam circulating in tubes or ducts
Definitions
- the present invention relates to steam generating apparatus and more particularly, to a steam generator, which automatically removes water scale.
- a regular steam iron generally comprises a water reservoir and a panel-like steam generator.
- the steam generator comprises a flow passage, and a plurality of steam outlets spaced along the flow passage.
- water is guided from the water reservoir into the flow passage of the steam generator where water is heated into steam that flows out of the steam outlets for making clothes smooth and flat.
- the steam generator has a flow passage defined therein for supplying water and guiding generated steam.
- the inside wall of the flow passage tends to be covered with water scale.
- the amount of water scale accumulated in the flow passage will increase with time, lowering the flow rate of the flow passage and affecting the heating efficiency of the steam generator. Further, cleaning of the flow passage is not easy.
- the steam generator When the steam generating efficiency of the steam generator becomes low due to water scale accumulation, the steam generator must be replaced. Replacing the steam generator increases the user's expenditure and causes inconvenience to the user.
- the present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a steam generator, which removes water scale automatically, avoiding water scale accumulation in the flow passage to affect steam generating performance, and prolonging steam generator lifespan.
- a steam generator comprises a body defining therein a flow passage having an inlet and an outlet, a heater installed in the body and adapted for heating water being guided through the inlet of the flow passage into the inside of the flow passage into steam for enabling generated steam to flow out of the outlet of the flow passage, and at least one friction unit mounted in the flow passage and movable by generated steam to rub against the inside wall of the flow passage and to remove water scale from the inside wall.
- the steam generator uses the friction unit to remove water scale from the inside wall of the flow passage during operation, avoiding water scale accumulation and prolonging the lifespan.
- FIG. 1 is an elevational view of a steam generator in accordance with the present invention.
- FIG. 2 is an exploded view of the steam generator in accordance with the present invention.
- FIG. 3 is a sectional view of the present invention, showing the arrangement of the flow passage in the housing.
- FIG. 4 is similar to FIG. 3 , but showing a different shape of friction members used in the flow passage.
- a steam generator 10 in accordance with the present invention comprising a body 20 , two heaters 30 and five friction units 40 .
- the body 20 comprises a base member 22 , a first cover 24 and a second cover 26 .
- the base member 22 is prepared from metal (for example, steel or copper) or any other material having high thermal conductivity.
- the base member 22 has opposing first end 221 and second end 222 , and five through holes cutting through the first end 221 and the second end 222 . These through holes include a water inlet 223 , a steam outlet 224 , a first receive hole 225 , a second receive hole 226 and a third receive hole 227 .
- the first cover 24 and the second cover 26 each comprise a cover body 242 or 262 and a gasket pad 244 or 264 .
- the first cover 24 and the second cover 26 are respectively affixed to the first end 221 and second end 222 of the base member 22 .
- the gasket pads 244 and 264 are respectively sandwiched between the cover bodies 242 and 262 and the base member 22 .
- the first cover 24 seals the openings of the steam outlet 224 , first receive hole 225 , second receive hole 226 and third receive hole 227 at the first end 221 of the base member 22 ;
- the second cover 26 seals the openings of the water inlet 223 , first receive hole 225 , second receive hole 226 and third receive hole 227 at the second end 222 of the base member 22 .
- first cover 24 has a first through hole 246 cut through the cover body 242 and gasket pad 244 thereof;
- second cover 26 has a second through hole 266 cut through the cover body 262 and gasket pad 264 thereof.
- the water inlet 223 and the steam outlet 224 are connected to the outside of the body 20 through the first through hole 246 and the second through hole 266 respectively. As shown in FIG.
- the water inlet 223 communicate with the first receive hole 225 by a slot 231 at the second end 222 of the base member 22 ;
- the second receive hole 226 communicate with the third receive hole 227 by a slot 232 at the second end 222 of the base member 22 ;
- the first receive hole 225 communicate with the second receive hole 226 by a slot 233 at the first end 221 of the base member 22 ;
- the steam outlet 224 communicate with the third receive hole 227 by a slot 234 at the first end 221 of the base member 22 .
- the water inlet 223 , the first, second and third receive holes 225 , 226 and 227 and the steam outlet 224 are communicated in series, forming a flow passage 28 in the body 20 , wherein the inlet 282 and outlet 284 of the flow passage 28 are the opening of the water inlet 223 at the first end 221 of the base member 22 and the opening of the steam outlet 224 at the second end 222 of the base member 22 , and are respectively disposed in communication with the first through hole 246 of the first cover 24 and the second through hole 266 of the second cover 26 .
- the two heaters 30 are mounted in the body 20 , each having two electrodes 32 respectively disposed outside the body 20 for connection to an external power source (not shown) for causing the heaters 30 to generate heat energy and to transmit generated heat energy to the body 20 .
- the five friction units 40 are respectively mounted in the water inlet 223 , steam outlet 224 , first receive hole 225 , second receive hole 226 and third receive hole 227 of the base member 22 , each comprising an elastic member 42 , a first friction member 44 and a second friction member 46 .
- the elastic member 42 is a compression spring, having a pressure-receiving end 422 and a pressure-releasing end 424 .
- the first friction member 44 and the second friction member 46 are mounted on the pressure-receiving end 422 and pressure-releasing end 424 of the elastic member 42 .
- the first friction member 44 and the second friction member 46 can be shaped like a ball (see FIG. 3 ) or flat panel (see FIG. 4 ), or made in any of a variety of other shapes that can be moved along the flow passage 28 and rubbed against the inside wall 286 of the flow passage 28 during movement.
- the heaters 30 are electrically connected, and water is guided into the inlet 282 of the flow passage 28 .
- the heat energy generated by the heaters 30 is transmitted to the body 20 to heat water into steam.
- the pressure of the generated steam firstly pushes the first friction member 44 of the friction unit 40 in the water inlet 223 toward the pressure-releasing end 424 of the elastic member 42 and to further force the second friction member 46 against the close end of the water inlet 223 and compress the elastic member 42 .
- the compressed elastic member 42 provides spring force of bouncing in direction from the pressure-releasing end 424 toward the pressure-receiving end 422 , moving the first friction member 44 and the second friction member 46 in the same direction.
- the generated steam enters the first receive hole 225 , the second receive hole 226 , the third receive hole 227 and the steam outlet 224 in proper order to reciprocally push the respective friction units 40 , and then flows out of the outlet 284 of the flow passage 28 .
- the major technical characteristic of the present invention is the use of the friction units 40 to remove water scale from the inside wall of the steam generator, i.e., the shape and composition of the flow passage can be substituted by other designs having the same effect.
- the steam generator 10 of the invention can be used in any of a variety of electrical appliances that use steam to achieve a specific function, such as steam mop, steam washing machine, steam iron, etc.
- the size of the body and the number or length of the heaters and flow passage may be varied.
- the flow passage 28 of the steam generator 10 can be made relatively longer for use in a steam iron. By means of increasing the dimension of the body 20 and the number of through holes of the base member 22 , the flow passage 28 is relatively extended. For use in a mini steam iron, the flow passage 28 can be relatively shortened. By means of reducing the dimension of the body 20 and the number of through holes of the base member 22 , the flow passage 28 is relatively shortened.
Abstract
A steam generator includes a body defining therein a flow passage having an inlet and an outlet, a heater installed in the body and adapted for heating water being guided through the inlet of the flow passage into the inside of the flow passage into steam for enabling generated steam to flow out of the outlet of the flow passage, and at least one friction unit mounted in the flow passage and movable by generated steam to rub against the inside wall of the flow passage and to remove water scale from the inside wall. Thus, the steam generator uses the friction unit to remove water scale from the inside wall of the flow passage during operation, avoiding water scale accumulation and prolonging the lifespan.
Description
- 1. Field of the Invention
- The present invention relates to steam generating apparatus and more particularly, to a steam generator, which automatically removes water scale.
- 2. Description of the Related Art
- Electrical home appliances using steam to achieve a specific effect are commercially available, for example, steam mop, steam washing machine and steam iron commonly use a steam generator to boil water into steam for application.
- A regular steam iron generally comprises a water reservoir and a panel-like steam generator. The steam generator comprises a flow passage, and a plurality of steam outlets spaced along the flow passage. When using the steam iron, water is guided from the water reservoir into the flow passage of the steam generator where water is heated into steam that flows out of the steam outlets for making clothes smooth and flat.
- According to the aforesaid conventional design, the steam generator has a flow passage defined therein for supplying water and guiding generated steam. However, the inside wall of the flow passage tends to be covered with water scale. The amount of water scale accumulated in the flow passage will increase with time, lowering the flow rate of the flow passage and affecting the heating efficiency of the steam generator. Further, cleaning of the flow passage is not easy. When the steam generating efficiency of the steam generator becomes low due to water scale accumulation, the steam generator must be replaced. Replacing the steam generator increases the user's expenditure and causes inconvenience to the user.
- The present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a steam generator, which removes water scale automatically, avoiding water scale accumulation in the flow passage to affect steam generating performance, and prolonging steam generator lifespan.
- To achieve this and other objects of the present invention, a steam generator comprises a body defining therein a flow passage having an inlet and an outlet, a heater installed in the body and adapted for heating water being guided through the inlet of the flow passage into the inside of the flow passage into steam for enabling generated steam to flow out of the outlet of the flow passage, and at least one friction unit mounted in the flow passage and movable by generated steam to rub against the inside wall of the flow passage and to remove water scale from the inside wall. Thus, the steam generator uses the friction unit to remove water scale from the inside wall of the flow passage during operation, avoiding water scale accumulation and prolonging the lifespan.
- Other benefits, advantages and features of the present invention will be fully understood by reference to the following detailed description in conjunction with the accompanying drawings.
-
FIG. 1 is an elevational view of a steam generator in accordance with the present invention. -
FIG. 2 is an exploded view of the steam generator in accordance with the present invention. -
FIG. 3 is a sectional view of the present invention, showing the arrangement of the flow passage in the housing. -
FIG. 4 is similar toFIG. 3 , but showing a different shape of friction members used in the flow passage. - Referring to
FIGS. 1-3 , asteam generator 10 in accordance with the present invention is shown comprising abody 20, twoheaters 30 and fivefriction units 40. - The
body 20 comprises abase member 22, afirst cover 24 and asecond cover 26. Thebase member 22 is prepared from metal (for example, steel or copper) or any other material having high thermal conductivity. Thebase member 22 has opposingfirst end 221 andsecond end 222, and five through holes cutting through thefirst end 221 and thesecond end 222. These through holes include awater inlet 223, asteam outlet 224, a first receivehole 225, a second receivehole 226 and a third receivehole 227. Thefirst cover 24 and thesecond cover 26 each comprise acover body gasket pad first cover 24 and thesecond cover 26 are respectively affixed to thefirst end 221 andsecond end 222 of thebase member 22. Thegasket pads cover bodies base member 22. Thus, thefirst cover 24 seals the openings of thesteam outlet 224, first receivehole 225, second receivehole 226 and third receivehole 227 at thefirst end 221 of thebase member 22; thesecond cover 26 seals the openings of thewater inlet 223, first receivehole 225, second receivehole 226 and third receivehole 227 at thesecond end 222 of thebase member 22. Further, thefirst cover 24 has a first throughhole 246 cut through thecover body 242 andgasket pad 244 thereof; thesecond cover 26 has a second throughhole 266 cut through thecover body 262 andgasket pad 264 thereof. The water inlet 223 and thesteam outlet 224 are connected to the outside of thebody 20 through the first throughhole 246 and the second throughhole 266 respectively. As shown inFIG. 3 , thewater inlet 223 communicate with the first receivehole 225 by aslot 231 at thesecond end 222 of thebase member 22; thesecond receive hole 226 communicate with the third receivehole 227 by aslot 232 at thesecond end 222 of thebase member 22; the first receivehole 225 communicate with the second receivehole 226 by aslot 233 at thefirst end 221 of thebase member 22; thesteam outlet 224 communicate with the third receivehole 227 by aslot 234 at thefirst end 221 of thebase member 22. Thus, the water inlet 223, the first, second and third receiveholes steam outlet 224 are communicated in series, forming aflow passage 28 in thebody 20, wherein theinlet 282 andoutlet 284 of theflow passage 28 are the opening of thewater inlet 223 at thefirst end 221 of thebase member 22 and the opening of thesteam outlet 224 at thesecond end 222 of thebase member 22, and are respectively disposed in communication with the first throughhole 246 of thefirst cover 24 and the second throughhole 266 of thesecond cover 26. - The two
heaters 30 are mounted in thebody 20, each having twoelectrodes 32 respectively disposed outside thebody 20 for connection to an external power source (not shown) for causing theheaters 30 to generate heat energy and to transmit generated heat energy to thebody 20. - The five
friction units 40 are respectively mounted in thewater inlet 223,steam outlet 224, first receivehole 225, second receivehole 226 and third receivehole 227 of thebase member 22, each comprising anelastic member 42, afirst friction member 44 and asecond friction member 46. Theelastic member 42 is a compression spring, having a pressure-receivingend 422 and a pressure-releasingend 424. Thefirst friction member 44 and thesecond friction member 46 are mounted on the pressure-receivingend 422 and pressure-releasingend 424 of theelastic member 42. Thefirst friction member 44 and thesecond friction member 46 can be shaped like a ball (seeFIG. 3 ) or flat panel (seeFIG. 4 ), or made in any of a variety of other shapes that can be moved along theflow passage 28 and rubbed against the inside wall 286 of theflow passage 28 during movement. - During use of the
steam generator 10, theheaters 30 are electrically connected, and water is guided into theinlet 282 of theflow passage 28. At this time, the heat energy generated by theheaters 30 is transmitted to thebody 20 to heat water into steam. The pressure of the generated steam firstly pushes thefirst friction member 44 of thefriction unit 40 in thewater inlet 223 toward the pressure-releasingend 424 of theelastic member 42 and to further force thesecond friction member 46 against the close end of thewater inlet 223 and compress theelastic member 42. The compressedelastic member 42 provides spring force of bouncing in direction from the pressure-releasingend 424 toward the pressure-receivingend 422, moving thefirst friction member 44 and thesecond friction member 46 in the same direction. Thereafter, the generated steam enters thefirst receive hole 225, the second receivehole 226, the third receivehole 227 and thesteam outlet 224 in proper order to reciprocally push therespective friction units 40, and then flows out of theoutlet 284 of theflow passage 28. - When the
friction units 40 are being moved along theflow passage 28 during the aforesaid process, they are rubbed against the inside wall 286 of theflow passage 28 to remove water scale from the inside wall 286 of theflow passage 28, avoiding water scale accumulation in thesteam generator 10 and prolonging the lifespan of thesteam generator 10. - As described above, the major technical characteristic of the present invention is the use of the
friction units 40 to remove water scale from the inside wall of the steam generator, i.e., the shape and composition of the flow passage can be substituted by other designs having the same effect. - Further, it is to be understood that the
steam generator 10 of the invention can be used in any of a variety of electrical appliances that use steam to achieve a specific function, such as steam mop, steam washing machine, steam iron, etc. Further, to fit different electrical appliances that have different power rates and require different steam capacities, the size of the body and the number or length of the heaters and flow passage may be varied. For example, theflow passage 28 of thesteam generator 10 can be made relatively longer for use in a steam iron. By means of increasing the dimension of thebody 20 and the number of through holes of thebase member 22, theflow passage 28 is relatively extended. For use in a mini steam iron, theflow passage 28 can be relatively shortened. By means of reducing the dimension of thebody 20 and the number of through holes of thebase member 22, theflow passage 28 is relatively shortened. - Although particular embodiments of the invention have been described in detail for purposes of illustration, various modifications and enhancements may be made without departing from the spirit and scope of the invention. Accordingly, the invention is not to be limited except as by the appended claims.
Claims (5)
1. A steam generator, comprising:
a body, said body comprising a flow passage, said flow passage having an inlet and an outlet;
a heater installed in said body and adapted for heating water guiding through the inlet of said flow passage into the inside of said flow passage into steam for enabling the steam to flow out of the outlet of said flow passage; and
at least one friction unit mounted in said flow passage and movable by the steam to rub against the inside wall of said flow passage and to remove water scale from said inside wall.
2. The steam generator as claimed in claim 1 , wherein each said friction unit comprises:
an elastic member having a pressure-receiving end and a pressure-releasing end; and
a first friction member mounted on the pressure-receiving end of said elastic member and movable along said flow passage and adapted for rubbing against the inside wall of said flow passage when moving along said flow passage, said first friction member being movable by the steam in direction toward said pressure-releasing end.
3. The steam generator as claimed in claim 2 , wherein each said friction unit further comprises a second friction member mounted on said pressure-releasing end of said elastic member and movable by said elastic member toward said pressure-receiving end to rub against the inside wall of said flow passage.
4. The steam generator as claimed in claim 1 , wherein said body comprises:
a base member having opposing first end and second end and a plurality of through holes cutting through said first end and said second end, each said through hole accommodating one said friction unit, said through holes including:
at least one receive hole having two ends communicated with another one said through hole;
a water inlet having one end thereof communicated with one of said receive hole; and
a steam outlet having one end thereof communicated with one of said receive hole;
a first cover affixed to the first end of said base member to seal the corresponding end of said steam outlet and the corresponding end of each said receive hole, said first cover having a first through hole in communication between said water inlet and the outside of said body; and
a second cover affixed to the second end of said base member to seal the corresponding end of said water inlet and the corresponding end of each said receive hole, said second cover having a second through hole in communication between said steam outlet and the outside of said body;
wherein said water inlet, said at least one receive hole and said steam outlet are communicated in series to form said flow passage; the end of said water inlet at the first end of said base member forms the inlet of said flow passage; the end of said steam outlet at the second end of said base member forms the outlet of said flow passage.
5. The steam generator as claimed in claim 4 , wherein said first cover and said second cover each comprise a cover body and a gasket pad sandwiched in between said cover body and said base member.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW99208410 | 2010-05-06 | ||
TW99208410U | 2010-05-06 | ||
TW099208410U TWM397280U (en) | 2010-05-06 | 2010-05-06 | Vapor generating apparatus |
Publications (2)
Publication Number | Publication Date |
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US20110274416A1 true US20110274416A1 (en) | 2011-11-10 |
US8364029B2 US8364029B2 (en) | 2013-01-29 |
Family
ID=44901996
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/833,513 Expired - Fee Related US8364029B2 (en) | 2010-05-06 | 2010-07-09 | Steam generator |
Country Status (2)
Country | Link |
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US (1) | US8364029B2 (en) |
TW (1) | TWM397280U (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103134035A (en) * | 2011-11-22 | 2013-06-05 | 奥雷克控股公司 | Scaling reduction device in a boiler used in a surface cleaning apparatus |
US20130269224A1 (en) * | 2011-01-03 | 2013-10-17 | Koninklijke Philips Electronics N.V. | Apparatus for generating steam |
CN103939878A (en) * | 2014-04-22 | 2014-07-23 | 崔哲 | Steam cosmetology and hair care machine |
CN104100960A (en) * | 2013-04-09 | 2014-10-15 | 株式会社马狮达克 | Superheated-steam generator device |
WO2014170907A2 (en) | 2013-04-17 | 2014-10-23 | Venkata Sundereswar Rao Vempati | An energy efficient pressure less steam generator |
EP2868967A1 (en) * | 2013-10-30 | 2015-05-06 | MMT GmbH | Evaporator for a fog machine |
CN107036065A (en) * | 2017-05-08 | 2017-08-11 | 袁芳革 | Double-loop scale-free steam generator |
CN107250685A (en) * | 2015-02-11 | 2017-10-13 | 豪威株式会社 | Instant heating device |
US20180306432A1 (en) * | 2014-11-04 | 2018-10-25 | Sharkninja Operating Llc | Steam generator |
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US4563571A (en) * | 1981-12-16 | 1986-01-07 | Matsushita Electric Industrial Company, Limited | Electric water heating device with decreased mineral scale deposition |
US6192192B1 (en) * | 1995-06-13 | 2001-02-20 | Creaholic Sa | Instantaneous water heater |
US6275653B1 (en) * | 1999-06-07 | 2001-08-14 | General Technology S.R.L. | Steam appliance for domestic use provided with a manually or automatically operated descaling device |
US20060151458A1 (en) * | 2003-03-05 | 2006-07-13 | Shigeru Shirai | Heating device and sanitary washing device using the same |
US8180207B2 (en) * | 2003-12-10 | 2012-05-15 | Panasonic Corporation | Heat exchanger |
-
2010
- 2010-05-06 TW TW099208410U patent/TWM397280U/en not_active IP Right Cessation
- 2010-07-09 US US12/833,513 patent/US8364029B2/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4563571A (en) * | 1981-12-16 | 1986-01-07 | Matsushita Electric Industrial Company, Limited | Electric water heating device with decreased mineral scale deposition |
US6192192B1 (en) * | 1995-06-13 | 2001-02-20 | Creaholic Sa | Instantaneous water heater |
US6275653B1 (en) * | 1999-06-07 | 2001-08-14 | General Technology S.R.L. | Steam appliance for domestic use provided with a manually or automatically operated descaling device |
US20060151458A1 (en) * | 2003-03-05 | 2006-07-13 | Shigeru Shirai | Heating device and sanitary washing device using the same |
US8180207B2 (en) * | 2003-12-10 | 2012-05-15 | Panasonic Corporation | Heat exchanger |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130269224A1 (en) * | 2011-01-03 | 2013-10-17 | Koninklijke Philips Electronics N.V. | Apparatus for generating steam |
US8881434B2 (en) * | 2011-01-03 | 2014-11-11 | Koninklijke Philips N.V. | Apparatus for generating steam |
CN103134035A (en) * | 2011-11-22 | 2013-06-05 | 奥雷克控股公司 | Scaling reduction device in a boiler used in a surface cleaning apparatus |
AU2013260657B2 (en) * | 2013-04-09 | 2018-11-01 | Masdac Co., Ltd. | Superheated-steam Generator Device |
CN104100960A (en) * | 2013-04-09 | 2014-10-15 | 株式会社马狮达克 | Superheated-steam generator device |
EP2789910A1 (en) * | 2013-04-09 | 2014-10-15 | Masdac Co., Ltd. | Superheated-steam generator device |
US9664378B2 (en) | 2013-04-17 | 2017-05-30 | Venkata Sundereswar Rao VEMPATI | Energy efficient pressure less steam generator |
WO2014170907A2 (en) | 2013-04-17 | 2014-10-23 | Venkata Sundereswar Rao Vempati | An energy efficient pressure less steam generator |
EP2868967A1 (en) * | 2013-10-30 | 2015-05-06 | MMT GmbH | Evaporator for a fog machine |
KR20150003991U (en) * | 2014-04-22 | 2015-10-30 | 저 추이 | Vapor beautifying and hair conditioning machine |
EP2962593A1 (en) * | 2014-04-22 | 2016-01-06 | Cui, Zhe | Vapor beautifying and hair conditioning machine |
CN103939878A (en) * | 2014-04-22 | 2014-07-23 | 崔哲 | Steam cosmetology and hair care machine |
KR200490710Y1 (en) * | 2014-04-22 | 2019-12-19 | 저 추이 | Vapor beautifying and hair conditioning machine |
US20180306432A1 (en) * | 2014-11-04 | 2018-10-25 | Sharkninja Operating Llc | Steam generator |
US10584868B2 (en) * | 2014-11-04 | 2020-03-10 | Sharkninja Operating Llc | Steam generator |
CN107250685A (en) * | 2015-02-11 | 2017-10-13 | 豪威株式会社 | Instant heating device |
CN107036065A (en) * | 2017-05-08 | 2017-08-11 | 袁芳革 | Double-loop scale-free steam generator |
Also Published As
Publication number | Publication date |
---|---|
US8364029B2 (en) | 2013-01-29 |
TWM397280U (en) | 2011-02-01 |
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Effective date: 20170129 |